8923974878856 has 32 divisors (see below), whose sum is σ = 22321823264640. Its totient is φ = 2973073483968.

The previous prime is 8923974878827. The next prime is 8923974878857. The reversal of 8923974878856 is 6588784793298.

It is not an unprimeable number, because it can be changed into a prime (8923974878857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99004576 + ... + 99094671.

It is an arithmetic number, because the mean of its divisors is an integer number (697556977020).

Almost surely, 2^{8923974878856} is an apocalyptic number.

It is an amenable number.

8923974878856 is an abundant number, since it is smaller than the sum of its proper divisors (13397848385784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8923974878856 is a wasteful number, since it uses less digits than its factorization.

8923974878856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198101133 (or 198101129 counting only the distinct ones).

The product of its digits is 11705057280, while the sum is 84.

The spelling of 8923974878856 in words is "eight trillion, nine hundred twenty-three billion, nine hundred seventy-four million, eight hundred seventy-eight thousand, eight hundred fifty-six".